| Value | Category | Cases | |
|---|---|---|---|
| 2556 | 381 |
2.4%
|
|
| 2557 | 813 |
5.2%
|
|
| 2558 | 296 |
1.9%
|
|
| 9998 | DK | 82 |
0.5%
|
| Sysmiss | 14035 |
89.9%
|